140980545 has 24 divisors (see below), whose sum is σ = 250973736. Its totient is φ = 73156608.

The previous prime is 140980523. The next prime is 140980573. The reversal of 140980545 is 545089041.

It can be written as a sum of positive squares in 4 ways, for example, as 69205761 + 71774784 = 8319^2 + 8472^2 .

It is not a de Polignac number, because 140980545 - 2⁷ = 140980417 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40672 + ... + 44001.

It is an arithmetic number, because the mean of its divisors is an integer number (10457239).

Almost surely, 2^140980545 is an apocalyptic number.

140980545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140980545 is a deficient number, since it is larger than the sum of its proper divisors (109993191).

140980545 is a wasteful number, since it uses less digits than its factorization.

140980545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84721 (or 84718 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 140980545 is about 11873.5228554966. The cubic root of 140980545 is about 520.4588467215.

It can be divided in two parts, 1409805 and 45, that multiplied together give a square (63441225 = 7965²).

The spelling of 140980545 in words is "one hundred forty million, nine hundred eighty thousand, five hundred forty-five".